Issue Date | **Title** | Author(s) | Publisher |

2016 | **On Wave Operator Image of Perturbed Hamiltonians on the Line** | *Georgiev, Vladimir; Giammetta, Anna Rita* | *Institute of Mathematics and Informatics at the Bulgarian Academy of Sciences* |

2009 | **On Y-Linked Genes and Bisexual Branching Processes** | *Gonzalez, M.; Gutierrez, C.; Mota, M.* | *Institute of Mathematics and Informatics Bulgarian Academy of Sciences* |

2010 | **On Y. Nievergelt's Inversion Formula for the Radon Transform** | *Ournycheva, E.; Rubin, B.* | *Institute of Mathematics and Informatics Bulgarian Academy of Sciences* |

2011 | **Open Access and Institutional Repositories in Bulgaria** | *Simeonov, Georgi; Stanchev, Peter* | *Institute of Mathematics and Informatics Bulgarian Academy of Sciences* |

2014 | **Open Access Strategy of UNESCO** | *Neopane, Bhanu* | *Institute of Mathematics and Informatics Bulgarian Academy of Sciences* |

2014 | **Open Access to Publications and Research Data in Horizon 2020: What Are the Requirements and How Can Institutional Repositories and OpenAIRE Help to Meet Them?** | *Rodrigues, Eloy* | *Institute of Mathematics and Informatics Bulgarian Academy of Sciences* |

2011 | **OpenAIREplus** | *Stanchev, Peter* | *Institute of Mathematics and Informatics Bulgarian Academy of Sciences* |

2014 | **Open Research Data** | *Callaghan, Sarah* | *Institute of Mathematics and Informatics Bulgarian Academy of Sciences* |

2007 | **Open Source Information Technologies Approach for Moddeling of Ankle-Foot Orthosis** | *Milusheva, Slavyana; Karastanev, Stefan; Toshev, Yuli* | *Institute of Information Theories and Applications FOI ITHEA* |

2013 | **An Open Virtual World for Professional Development** | *Stefanova, Eliza* | *Institute of Mathematics and Informatics Bulgarian Academy of Sciences* |

2007 | **Operating Model of Knowledge Quantum Engineering for Decision-Making in Conditions of Indeterminacy** | *Molodykh, Liudmyla; Sirodzha, Igor* | *Institute of Information Theories and Applications FOI ITHEA* |

1974 | **The operating system of MID-2** | *Bărnev, Petăr; Bărneva, Margarita; Petrov, Petăr* | *Bulgarian Academy of Sciences* |

2006 | **Operational Calculi for the Euler Operator** | *Dimovski, Ivan; Skórnik, Krystyna* | *Institute of Mathematics and Informatics Bulgarian Academy of Sciences* |

Feb-2010 | **Operational Calculus Approach to Nonlocal Cauchy Problems** | *Dimovski, Ivan H.; Spiridonova, Margarita* | *Institute of Mathematics and Informatics at the Bulgarian Academy of Sciences* |

2009 | **Operational Methods in the Environment of a Computer Algebra System** | *Spiridonova, Margarita* | *Institute of Mathematics and Informatics Bulgarian Academy of Sciences* |

2004 | **Operational Rules for a Mixed Operator of the Erdélyi-Kober Type** | *Luchko, Yury* | *Institute of Mathematics and Informatics Bulgarian Academy of Sciences* |

2015 | **Operator Algebras: an Introduction** | *Katavolos, Aristides* | *Institute of Mathematics and Informatics at the Bulgarian Academy of Sciences* |

2003 | **The Operators Aγ = γA + -γA for a Class of Nondissipative Operators A with a Limit of the Corresponding Correlation Function** | *Borisova, Galina* | *Institute of Mathematics and Informatics Bulgarian Academy of Sciences* |

1995 | **Operators Factoring through Banach Lattices and Ideal Norms** | *Reisner, Shlomo* | *Institute of Mathematics and Informatics Bulgarian Academy of Sciences* |

2012 | **Operators with Polynomial Coefficients and Generalized Gelfand-Shilov Classes** | *Calvo, Daniela; De Donno, Giuseppe; Rodino, Luigi* | *Institute of Mathematics and Informatics Bulgarian Academy of Sciences* |